%0 Conference Proceedings %T Electropolymerized polypyrrole/multiwalled carbon nanotubes/TiO2 composite on stainless steel wire for solid-phase microextraction of BTEX coupled to GC-FID %A Sarafraz Yazdi, Ali %A Ronaghi, Gholam Hossein %A Vatani, Hossein %A Razavipanah, Iman %A Amiri, Amir Hassan %J بیستمین کنفرانس شیمی تجزیه ایران %D 2014